you have the iranian president at the same present -- event as president obama. is interesting that the vice president is going to be addressing the crowd. i think it is testament to the crowd that there is a relationship between china and south africa. there are a lot of question marks about chinese human rights. >> thank you. god, you're talking -- guy, you are talking tech. seen vasthas improvements in technology. caroline hyde joins us for more. the tech world a very different place compared to what look like in 2003. it is a competitive space. >> it is. we are still recovering from com bubble and we are particularly facing another bubble. we saw twitter's ipo surged 17% on the first day. when itunes store opened, 200 thousand songs, and in 10 years, 26 million songs written -- 26 million songs being sold. about cameras on your smartphones, back in 2003 they were just taking off. what about espionage? es is in thefi oxford dictionary. we are moving on liedson bounds in the past decade. what about the next decade? that is the question being asked. 3-d printing